H2H data updated: 2026-09-08 00:00 UTC

Santiago Giraldo vs Bradley Klahn H2H: 1-0

Santiago Giraldo holds a 1–0 lead over Bradley Klahn in their ATP head-to-head. Across 1 main-draw meeting, Santiago Giraldo leads 1–0 on clay. Most recently, Santiago Giraldo won the 2019 U.S. Men's Clay Court Championship first round 6-4 6-4.

COL Age 38 Right-Handed 188 cm / 6'2"
H2H
1 0
1 main-draw meetings
USA Age 36 Left-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Santiago Giraldo #224 6-4 6-4 Bradley Klahn #93 Match data Apr 11, 2019* R32 U.S. Men's Clay Court Championship ATP 250 Clay

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Santiago Giraldo #1,242 #28 1,230 1,929 142 186 43.3% 0 0 0 0 0 0
Bradley Klahn #1,096 #63 731 1,734 13 43 23.2% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Santiago Giraldo Bradley Klahn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2007 0–4 0.0% #141 1,471 0 0 2010 0–1 0.0% 1,499 0 0
20 2008 2–7 22.2% #163 1,602 0 0 2011 0–1 0.0% 1,525 0 0
21 2009 0–3 0.0% #107 1,550 0 0 2012 1–2 33.3% #248 1,638 0 0
22 2010 17–23 42.5% #64 1,715 0 0 2013 1–3 25.0% #97 1,602 0 0
23 2011 29–26 52.7% #55 1,793 0 0 2014 2–11 15.4% #148 1,549 0 0
24 2012 18–20 47.4% #57 1,792 0 0
25 2013 14–24 36.8% #69 1,751 0 0
26 2014 28–27 50.9% #32 1,787 0 0
27 2015 21–26 44.7% #70 1,695 0 0 2018 5–8 38.5% #76 1,708 0 0
28 2016 8–13 38.1% #91 1,694 0 0 2019 4–14 22.2% #135 1,645 0 0
29 2017 3–10 23.1% #227 1,668 0 0 2020 0–1 0.0% #149 1,570 0 0
30 2018 1–1 50.0% #253 1,645 0 0
31 2019 1–2 33.3% #274 1,656 0 0 2022 0–1 0.0% #873 1,485 0 0
32 2023 0–1 0.0% #877 1,479 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Santiago Giraldo Bradley Klahn
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
19 2007 0 3 3 0.0% 0 1 1 0.0% 2010 0 1 1 0.0%
20 2008 2 3 5 40.0% 0 3 3 0.0% 0 1 1 0.0% 2011 0 1 1 0.0%
21 2009 0 2 2 0.0% 0 1 1 0.0% 2012 1 2 3 33.3%
22 2010 9 15 24 37.5% 4 4 8 50.0% 4 4 8 50.0% 2013 1 2 3 33.3% 0 1 1 0.0%
23 2011 13 12 25 52.0% 14 12 26 53.8% 2 2 4 50.0% 2014 2 7 9 22.2% 0 1 1 0.0% 0 3 3 0.0%
24 2012 8 8 16 50.0% 9 9 18 50.0% 1 3 4 25.0%
25 2013 7 14 21 33.3% 5 8 13 38.5% 2 2 4 50.0%
26 2014 8 14 22 36.4% 18 11 29 62.1% 2 2 4 50.0%
27 2015 4 10 14 28.6% 14 13 27 51.9% 3 3 6 50.0% 2018 4 7 11 36.4% 1 1 2 50.0%
28 2016 4 5 9 44.4% 4 7 11 36.4% 0 1 1 0.0% 2019 3 9 12 25.0% 0 2 2 0.0% 1 3 4 25.0%
29 2017 1 5 6 16.7% 2 5 7 28.6% 2020 0 1 1 0.0%
30 2018 1 1 2 50.0%
31 2019 0 1 1 0.0% 1 1 2 50.0% 2022 0 1 1 0.0%
32 2023 0 1 1 0.0%
Career 56 92 148 37.8% 72 76 148 48.6% 14 17 31 45.2% 0 1 1 0.0% 11 32 43 25.6% 0 4 4 0.0% 2 7 9 22.2%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 324/328 of Santiago Giraldo's and 56/56 of Bradley Klahn's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Santiago Giraldo Bradley Klahn
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
19 2007 4/4 4.3 3.0 58.8% 65.7% 46.5% 63.4% 39.7% 57.7% 34.7% 2010 1/1 6.0 7.0 69.5% 69.2% 40.0% 56.3% 27.3% 60.3% 31.3%
20 2008 9/9 4.1 1.4 56.9% 63.1% 55.0% 49.7% 38.1% 59.6% 34.6% 2011 1/1 1.0 4.0 58.0% 62.1% 42.9% 40.0% 0.0% 54.0% 22.4%
21 2009 3/3 4.7 1.0 58.0% 62.9% 54.4% 70.5% 48.3% 59.2% 29.8% 2012 3/3 7.3 4.3 64.4% 62.3% 41.6% 60.4% 44.4% 55.0% 37.4%
22 2010 40/40 4.8 1.7 61.2% 69.7% 51.8% 57.9% 37.0% 62.7% 36.5% 2013 4/4 8.0 2.3 66.9% 73.3% 51.5% 25.0% 33.5% 65.9% 33.7%
23 2011 55/55 3.7 1.3 63.3% 68.3% 51.4% 58.6% 49.2% 61.9% 37.4% 2014 13/13 6.7 5.5 58.6% 66.8% 46.4% 53.4% 33.7% 58.4% 32.0%
24 2012 36/38 2.8 1.0 64.7% 67.1% 52.8% 64.1% 39.8% 62.3% 35.8% —/—
25 2013 38/38 4.2 1.8 63.6% 69.1% 51.9% 54.0% 39.7% 62.8% 35.4% —/—
26 2014 55/55 3.7 1.4 63.9% 70.2% 51.5% 60.7% 46.5% 63.1% 37.6% —/—
27 2015 45/47 2.7 1.4 69.2% 66.5% 48.6% 57.5% 36.6% 60.9% 36.1% 2018 13/13 9.2 4.5 59.8% 75.5% 53.9% 50.6% 38.6% 66.9% 28.2%
28 2016 21/21 4.9 1.9 56.6% 69.6% 49.9% 49.4% 43.3% 60.9% 36.8% 2019 18/18 8.8 4.6 59.5% 72.2% 52.6% 60.3% 34.4% 64.4% 29.4%
29 2017 13/13 4.3 2.9 61.1% 67.8% 40.8% 52.4% 38.3% 57.1% 33.1% 2020 1/1 10.0 5.0 62.9% 63.0% 44.2% 64.7% 50.0% 56.0% 26.1%
30 2018 2/2 2.5 0.0 64.4% 66.0% 51.4% 50.0% 20.0% 60.8% 33.6% —/—
31 2019 3/3 2.3 1.3 71.2% 67.5% 54.6% 61.1% 37.0% 64.0% 36.3% 2022 1/1 6.0 3.0 52.2% 58.3% 54.5% 50.0% 56.5% 20.0%
32 —/— 2023 1/1 4.0 5.0 68.9% 66.7% 31.6% 66.7% 0.0% 55.7% 23.5%
Career 324/328 3.7 1.5 63.4% 68.3% 50.9% 57.8% 41.8% 61.8% 36.3% 56/56 7.9 4.6 60.4% 70.5% 49.9% 53.5% 34.0% 62.5% 30.1%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Santiago Giraldo Bradley Klahn
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
18 2006 1489 99.5
19 2007 1472 108.1 -1.44 -0.51 0.820 46.6% +35 18.2% -1.18 0–2 1–3 (25%) -0.20 2010 1499 108.4 -1.52 +3.65 0.787 46.9% 25.0% -1.25 -0.11
20 2008 1602 121.8 -2.27 -0.88 0.857 47.1% +14 -45 28.6% -1.14 0–2 1–3 (25%) +0.32 2011 1525 112.8 +0.69 +0.59 0.488 38.4% 0.0% -3.50 -0.19
21 2009 1550 114.7 -2.83 -1.90 0.730 45.5% 22.2% -1.78 0–1 1–1 +0.26 2012 1639 117.2 -2.52 -0.18 0.831 46.8% +35 36.4% -1.18 1–1 +0.09
22 2010 1716 137.5 -0.76 +0.26 0.979 49.4% -38 -35 -156 43.4% -0.26 6–7 (46%) 5–12 (29%) 95.7 +0.06 2013 1603 112.5 -1.91 -0.65 0.991 48.3% +55 33.3% -0.67 2–3 (40%) +0.13
23 2011 1794 154.0 -0.50 +0.21 0.983 50.0% -22 -10 -202 50.7% +0.04 11–11 (50%) 7–11 (39%) 98.6 -1.33 2014 1550 122.4 -3.31 -2.26 0.770 45.5% +73 -31 30.0% -1.58 2–4 (33%) 6–2 (75%) 101.5 -0.32
24 2012 1792 145.3 +0.06 +0.03 0.950 49.5% -18 +45 -225 50.0% +0.04 3–8 (27%) 6–4 (60%) 96.3 -1.75 2015 1548 102.5
25 2013 1752 136.2 -1.11 -1.26 0.950 49.0% -13 -3 -180 38.9% -0.50 5–8 (38%) 3–6 (33%) 94.1 +1.40
26 2014 1787 149.4 -0.14 +1.00 1.018 50.6% -95 +113 -154 50.0% +0.06 7–8 (47%) 12–9 (57%) 100.9 +0.16 2017 1549 103.9
27 2015 1695 140.7 -2.68 -0.26 0.922 48.7% -48 +140 -52 45.8% -0.20 6–5 (55%) 6–8 (43%) 98.6 +1.63 2018 1709 132.3 +1.07 -2.48 0.852 48.3% -22 38.2% -0.56 2–2 (50%) 5–5 (50%) 103.1 -0.18
28 2016 1694 132.8 -2.00 +0.54 0.940 48.9% -1 +40 42.6% -0.50 1–3 (25%) 6–3 (67%) 100.4 -0.14 2019 1646 123.8 -0.08 -4.65 0.825 47.6% +21 -93 28.3% -1.00 1–2 (33%) 4–6 (40%) 98.1 0.00
29 2017 1668 117.0 -3.98 -2.23 0.771 45.3% -24 +59 30.3% -1.18 2–2 (50%) 2–2 (50%) 100.6 +0.11 2020 1570 96.9 -1.18 -3.05 0.594 43.1% 25.0% -2.50 +0.34
30 2018 1646 110.0 +1.63 +0.23 0.858 47.2% 0.0% -2.33 -0.15
31 2019 1656 107.0 -2.00 0.00 1.010 49.8% 50.0% 0.00 0–2 0–1 +0.26 2022 1485 106.5 -0.77 -0.68 0.460 42.1% 0.0% -3.00 -0.01
32 2023 1480 104.5 +0.15 -2.16 0.532 41.1% 0.0% -3.00 +0.02
Career 1929 142.1 -1.10 -0.04 0.951 49.2% -33 +56 -153 44.7% -0.25 41–59 (41%) 50–63 (44%) 91.8 +0.19 1734 124.5 -0.86 -2.68 0.801 46.8% +25 -66 30.6% -1.17 6–9 (40%) 17–16 (52%) 101.2 -0.41

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.